content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * --------------------
   * NumberAxisTests.java
   * --------------------
   * (C) Copyright 2003-2008, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 26-Mar-2003 : Version 1 (DG);
   * 14-Aug-2003 : Added tests for equals() method (DG);
   * 05-Oct-2004 : Added tests to pick up a bug in the auto-range calculation for
   *               a domain axis on an XYPlot using an XYSeriesCollection (DG);
   * 07-Jan-2005 : Added test for hashCode() (DG);
   * 11-Jan-2006 : Fixed testAutoRange2() and testAutoRange3() following changes
   *               to BarRenderer (DG);
   * 20-Feb-2006 : Added rangeType field to equals() test (DG);
   *
   */
  
  package org.jfree.chart.axis;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertNotSame;
  import static org.junit.jupiter.api.Assertions.assertSame;
  import static org.junit.jupiter.api.Assertions.fail;
  
  import java.awt.geom.Rectangle2D;
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  import java.text.DecimalFormat;
  import org.jfree.chart.ChartFactory;
  import org.jfree.chart.JFreeChart;
  import org.jfree.chart.plot.CategoryPlot;
  import org.jfree.chart.plot.XYPlot;
  import org.jfree.chart.renderer.category.BarRenderer;
  import org.jfree.chart.ui.RectangleEdge;
  import org.jfree.data.Range;
  import org.jfree.data.RangeType;
  import org.jfree.data.category.DefaultCategoryDataset;
  import org.jfree.data.xy.XYSeries;
  import org.jfree.data.xy.XYSeriesCollection;
  import org.junit.jupiter.api.Disabled;
  import org.junit.jupiter.api.Test;
  
  /**
   * Tests for the {@link NumberAxis} class.
   */
  public class NumberAxisTest  {
  
  
  
  
  
      /**
       * Confirm that cloning works.
       */
      @Test
      public void testCloning() throws CloneNotSupportedException {
          NumberAxis a1 = new NumberAxis("Test");
          NumberAxis a2 = (NumberAxis) a1.clone();
          assertNotSame(a1, a2);
          assertSame(a1.getClass(), a2.getClass());
          assertEquals(a1, a2);
      }
  
      /**
       * Confirm that the equals method can distinguish all the required fields.
       */
      @Test
      public void testEquals() {
  
          NumberAxis a1 = new NumberAxis("Test");
          NumberAxis a2 = new NumberAxis("Test");
          assertEquals(a1, a2);
  
          //private boolean autoRangeIncludesZero;
          a1.setAutoRangeIncludesZero(false);
          assertFalse(a1.equals(a2));
          a2.setAutoRangeIncludesZero(false);
          assertEquals(a1, a2);
  
          //private boolean autoRangeStickyZero;
          a1.setAutoRangeStickyZero(false);
          assertFalse(a1.equals(a2));
          a2.setAutoRangeStickyZero(false);
          assertEquals(a1, a2);
  
          //private NumberTickUnit tickUnit;
          a1.setTickUnit(new NumberTickUnit(25.0));
          assertFalse(a1.equals(a2));
          a2.setTickUnit(new NumberTickUnit(25.0));
          assertEquals(a1, a2);
  
          //private NumberFormat numberFormatOverride;
          a1.setNumberFormatOverride(new DecimalFormat("0.00"));
          assertFalse(a1.equals(a2));
          a2.setNumberFormatOverride(new DecimalFormat("0.00"));
          assertEquals(a1, a2);
  
          a1.setRangeType(RangeType.POSITIVE);
          assertFalse(a1.equals(a2));
          a2.setRangeType(RangeType.POSITIVE);
          assertEquals(a1, a2);
  
      }
  
      /**
       * Two objects that are equal are required to return the same hashCode.
       */
      @Test
      public void testHashCode() {
          NumberAxis a1 = new NumberAxis("Test");
          NumberAxis a2 = new NumberAxis("Test");
          assertEquals(a1, a2);
          int h1 = a1.hashCode();
          int h2 = a2.hashCode();
          assertEquals(h1, h2);
      }
  
      private static final double EPSILON = 0.0000001;
  
      /**
       * Test the translation of Java2D values to data values.
       */
      @Test
      public void testTranslateJava2DToValue() {
          NumberAxis axis = new NumberAxis();
          axis.setRange(50.0, 100.0);
          Rectangle2D dataArea = new Rectangle2D.Double(10.0, 50.0, 400.0, 300.0);
          double y1 = axis.java2DToValue(75.0, dataArea, RectangleEdge.LEFT);
          assertEquals(y1, 95.8333333, EPSILON);
          double y2 = axis.java2DToValue(75.0, dataArea, RectangleEdge.RIGHT);
          assertEquals(y2, 95.8333333, EPSILON);
          double x1 = axis.java2DToValue(75.0, dataArea, RectangleEdge.TOP);
          assertEquals(x1, 58.125, EPSILON);
          double x2 = axis.java2DToValue(75.0, dataArea, RectangleEdge.BOTTOM);
          assertEquals(x2, 58.125, EPSILON);
          axis.setInverted(true);
          double y3 = axis.java2DToValue(75.0, dataArea, RectangleEdge.LEFT);
          assertEquals(y3, 54.1666667, EPSILON);
          double y4 = axis.java2DToValue(75.0, dataArea, RectangleEdge.RIGHT);
          assertEquals(y4, 54.1666667, EPSILON);
          double x3 = axis.java2DToValue(75.0, dataArea, RectangleEdge.TOP);
          assertEquals(x3, 91.875, EPSILON);
          double x4 = axis.java2DToValue(75.0, dataArea, RectangleEdge.BOTTOM);
          assertEquals(x4, 91.875, EPSILON);
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization() throws IOException, ClassNotFoundException {
  
          NumberAxis a1 = new NumberAxis("Test Axis");
  
          ByteArrayOutputStream buffer = new ByteArrayOutputStream();
          ObjectOutput out = new ObjectOutputStream(buffer);
          out.writeObject(a1);
          out.close();
  
          ObjectInput in = new ObjectInputStream(
                  new ByteArrayInputStream(buffer.toByteArray()));
          NumberAxis a2 = (NumberAxis) in.readObject();
          in.close();
  
          assertEquals(a1, a2);
  
      }
  
      /**
       * A simple test for the auto-range calculation looking at a
       * NumberAxis used as the range axis for a CategoryPlot.
       */
      @Test
      public void testAutoRange1() {
          DefaultCategoryDataset dataset = new DefaultCategoryDataset();
          dataset.setValue(100.0, "Row 1", "Column 1");
          dataset.setValue(200.0, "Row 1", "Column 2");
          JFreeChart chart = ChartFactory.createBarChart("Test",
                  "Categories", "Value", dataset);
          CategoryPlot plot = (CategoryPlot) chart.getPlot();
          NumberAxis axis = (NumberAxis) plot.getRangeAxis();
          assertEquals(axis.getLowerBound(), 0.0, EPSILON);
          assertEquals(axis.getUpperBound(), 210.0, EPSILON);
      }
  
      /**
       * A simple test for the auto-range calculation looking at a
       * NumberAxis used as the range axis for a CategoryPlot.  In this
       * case, the 'autoRangeIncludesZero' flag is set to false.
       */
      @Test
      public void testAutoRange2() {
          DefaultCategoryDataset dataset = new DefaultCategoryDataset();
          dataset.setValue(100.0, "Row 1", "Column 1");
          dataset.setValue(200.0, "Row 1", "Column 2");
          JFreeChart chart = ChartFactory.createLineChart("Test", "Categories",
                  "Value", dataset);
          CategoryPlot plot = (CategoryPlot) chart.getPlot();
          NumberAxis axis = (NumberAxis) plot.getRangeAxis();
          axis.setAutoRangeIncludesZero(false);
          assertEquals(axis.getLowerBound(), 95.0, EPSILON);
          assertEquals(axis.getUpperBound(), 205.0, EPSILON);
      }
  
      /**
       * A simple test for the auto-range calculation looking at a
       * NumberAxis used as the range axis for a CategoryPlot.  In this
       * case, the 'autoRangeIncludesZero' flag is set to false AND the
       * original dataset is replaced with a new dataset.
       */
      @Test
      public void testAutoRange3() {
          DefaultCategoryDataset dataset = new DefaultCategoryDataset();
          dataset.setValue(100.0, "Row 1", "Column 1");
          dataset.setValue(200.0, "Row 1", "Column 2");
          JFreeChart chart = ChartFactory.createLineChart("Test", "Categories",
                  "Value", dataset);
          CategoryPlot plot = (CategoryPlot) chart.getPlot();
          NumberAxis axis = (NumberAxis) plot.getRangeAxis();
          axis.setAutoRangeIncludesZero(false);
          assertEquals(axis.getLowerBound(), 95.0, EPSILON);
          assertEquals(axis.getUpperBound(), 205.0, EPSILON);
  
          // now replacing the dataset should update the axis range...
          DefaultCategoryDataset dataset2 = new DefaultCategoryDataset();
          dataset2.setValue(900.0, "Row 1", "Column 1");
          dataset2.setValue(1000.0, "Row 1", "Column 2");
          plot.setDataset(dataset2);
          assertEquals(axis.getLowerBound(), 895.0, EPSILON);
          assertEquals(axis.getUpperBound(), 1005.0, EPSILON);
      }
  
      /**
       * A check for the interaction between the 'autoRangeIncludesZero' flag
       * and the base setting in the BarRenderer.
       */
      @Test
      public void testAutoRange4() {
          DefaultCategoryDataset dataset = new DefaultCategoryDataset();
          dataset.setValue(100.0, "Row 1", "Column 1");
          dataset.setValue(200.0, "Row 1", "Column 2");
          JFreeChart chart = ChartFactory.createBarChart("Test", "Categories",
                  "Value", dataset);
          CategoryPlot plot = (CategoryPlot) chart.getPlot();
          NumberAxis axis = (NumberAxis) plot.getRangeAxis();
          axis.setAutoRangeIncludesZero(false);
          BarRenderer br = (BarRenderer) plot.getRenderer();
          br.setIncludeBaseInRange(false);
          assertEquals(95.0, axis.getLowerBound(), EPSILON);
          assertEquals(205.0, axis.getUpperBound(), EPSILON);
  
          br.setIncludeBaseInRange(true);
          assertEquals(0.0, axis.getLowerBound(), EPSILON);
          assertEquals(210.0, axis.getUpperBound(), EPSILON);
  
          axis.setAutoRangeIncludesZero(true);
          assertEquals(0.0, axis.getLowerBound(), EPSILON);
          assertEquals(210.0, axis.getUpperBound(), EPSILON);
  
          br.setIncludeBaseInRange(true);
          assertEquals(0.0, axis.getLowerBound(), EPSILON);
          assertEquals(210.0, axis.getUpperBound(), EPSILON);
  
          // now replacing the dataset should update the axis range...
          DefaultCategoryDataset dataset2 = new DefaultCategoryDataset();
          dataset2.setValue(900.0, "Row 1", "Column 1");
          dataset2.setValue(1000.0, "Row 1", "Column 2");
          plot.setDataset(dataset2);
          assertEquals(0.0, axis.getLowerBound(), EPSILON);
          assertEquals(1050.0, axis.getUpperBound(), EPSILON);
  
          br.setIncludeBaseInRange(false);
          assertEquals(0.0, axis.getLowerBound(), EPSILON);
          assertEquals(1050.0, axis.getUpperBound(), EPSILON);
  
          axis.setAutoRangeIncludesZero(false);
          assertEquals(895.0, axis.getLowerBound(), EPSILON);
          assertEquals(1005.0, axis.getUpperBound(), EPSILON);
      }
  
      /**
       * Checks that the auto-range for the domain axis on an XYPlot is
       * working as expected.
       */
      @Test
      public void testXYAutoRange1() {
          XYSeries series = new XYSeries("Series 1");
          series.add(1.0, 1.0);
          series.add(2.0, 2.0);
          series.add(3.0, 3.0);
          XYSeriesCollection dataset = new XYSeriesCollection();
          dataset.addSeries(series);
          JFreeChart chart = ChartFactory.createScatterPlot("Test", "X", "Y",
                  dataset);
          XYPlot plot = (XYPlot) chart.getPlot();
          NumberAxis axis = (NumberAxis) plot.getDomainAxis();
          axis.setAutoRangeIncludesZero(false);
          assertEquals(0.9, axis.getLowerBound(), EPSILON);
          assertEquals(3.1, axis.getUpperBound(), EPSILON);
      }
  
      /**
       * Checks that the auto-range for the range axis on an XYPlot is
       * working as expected.
       */
      @Test
      public void testXYAutoRange2() {
          XYSeries series = new XYSeries("Series 1");
          series.add(1.0, 1.0);
          series.add(2.0, 2.0);
          series.add(3.0, 3.0);
          XYSeriesCollection dataset = new XYSeriesCollection();
          dataset.addSeries(series);
          JFreeChart chart = ChartFactory.createScatterPlot("Test", "X", "Y",
                  dataset);
          XYPlot plot = (XYPlot) chart.getPlot();
          NumberAxis axis = (NumberAxis) plot.getRangeAxis();
          axis.setAutoRangeIncludesZero(false);
          assertEquals(0.9, axis.getLowerBound(), EPSILON);
          assertEquals(3.1, axis.getUpperBound(), EPSILON);
      }
  
      /**
       * Some checks for the setRangeType() method.
       */
      @Disabled("This was previously commented out")
      @Test
      public void testSetRangeType() {
  
          NumberAxis axis = new NumberAxis("X");
          axis.setRangeType(RangeType.POSITIVE);
          assertEquals(RangeType.POSITIVE, axis.getRangeType());
  
          // test a change to RangeType.POSITIVE
          axis.setRangeType(RangeType.FULL);
          axis.setRange(-5.0, 5.0);
          axis.setRangeType(RangeType.POSITIVE);
          assertEquals(new Range(0.0, 5.0), axis.getRange());
  
          axis.setRangeType(RangeType.FULL);
          axis.setRange(-10.0, -5.0);
          axis.setRangeType(RangeType.POSITIVE);
          assertEquals(new Range(0.0, axis.getAutoRangeMinimumSize()),
                  axis.getRange());
  
          // test a change to RangeType.NEGATIVE
          axis.setRangeType(RangeType.FULL);
          axis.setRange(-5.0, 5.0);
          axis.setRangeType(RangeType.NEGATIVE);
          assertEquals(new Range(-5.0, 0.0), axis.getRange());
  
          axis.setRangeType(RangeType.FULL);
          axis.setRange(5.0, 10.0);
          axis.setRangeType(RangeType.NEGATIVE);
          assertEquals(new Range(-axis.getAutoRangeMinimumSize(), 0.0),
                  axis.getRange());
  
          // try null
          try {
              axis.setRangeType(null);
              fail("IllegalArgumentException should have been thrown on null parameter");
          }
          catch (IllegalArgumentException e) {
              assertEquals("Null 'rangeType' argument.", e.getMessage());
          }
      }
  
      /**
       * Some checks for the setLowerBound() method.
       */
      @Test
      public void testSetLowerBound() {
          NumberAxis axis = new NumberAxis("X");
          axis.setRange(0.0, 10.0);
          axis.setLowerBound(5.0);
          assertEquals(5.0, axis.getLowerBound(), EPSILON);
          axis.setLowerBound(10.0);
          assertEquals(10.0, axis.getLowerBound(), EPSILON);
          assertEquals(11.0, axis.getUpperBound(), EPSILON);
  
          //axis.setRangeType(RangeType.POSITIVE);
          //axis.setLowerBound(-5.0);
          //assertEquals(0.0, axis.getLowerBound(), EPSILON);
      }
  
  }
  